GB/T 20234.1-2023 English PDF (GBT20234.1-2023)

Delivery: 3 seconds. Download true-PDF + Invoice.
Get QUOTATION in 1-minute: Click GB/T 20234.1-2023
Historical versions: GB/T 20234.1-2023
Preview True-PDF (Reload/Scroll if blank)

GB/T 20234.1-2023: Connection set for conductive charging of electric vehicles - Part 1: General requirements
GB/T 20234.1-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.99
CCS T 35
Replacing GB/T 20234.1-2015
Connection set for conductive charging of electric vehicles -
Part 1: General requirements
ISSUED ON: SEPTEMBER 07, 2023
IMPLEMENTED ON: SEPTEMBER 07, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 4
Introduction ... 6
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 9
4 Symbols and abbreviations ... 14
5 Rated values ... 15
5.1 Rated voltage (preferred value) ... 15
5.2 Rated current or duration maximum current (preferred value) ... 15
6 Requirements ... 16
6.1 General ... 16
6.2 Charging connection set ... 16
6.3 Charging coupler ... 27
6.4 Charging cable ... 37
6.5 In-cable device ... 38
7 Test methods ... 39
7.1 General provisions ... 39
7.2 Appearance and structure ... 40
7.3 Temperature cycling ... 40
7.4 Alternating heat and humidity ... 41
7.5 Grounding measures ... 42
7.6 Insulation resistance and dielectric strength ... 43
7.7 Connection of charging cable ... 43
7.8 Thermal management system ... 44
7.9 Liquid cooling device ... 45
7.10 Temperature monitor ... 47
7.11 Mechanical strength ... 48
7.12 Limited short-circuit current withstand... 52
7.13 Vehicle crushing ... 52
7.14 Type and size ... 53
7.15 Locking device ... 53
7.16 Switching elements ... 57
7.17 Plug-in and pull-out force ... 57
7.18 Protection against electric shock ... 58
7.19 Terminals and heads ... 58
7.20 Aging resistance of rubber and thermoplastic materials ... 60
7.21 Protection level ... 60
7.22 Divisive ability ... 60
7.23 Normal operation (service life) ... 61
7.24 Temperature rise ... 63
7.25 Screws, current-carrying parts and connections ... 67
7.26 Creepage distances, clearances and sealant penetration distances ... 67
7.27 Heat resistance, flame resistance and tracking resistance ... 67
7.28 Corrosion and rust resistance ... 67
7.29 Resistance to vibration and mechanical shock ... 67
7.30 Offset operation ... 68
7.31 Contact durability ... 68
7.32 Charging cable ... 69
7.33 In-cable device ... 71
8 Inspection rules ... 72
Annex A (informative) Thermal management system product data sheet ... 80
Annex B (normative) Reference test tool for temperature rise test ... 82
B.1 General ... 82
B.2 Requirements ... 82
Bibliography ... 87
Connection set for conductive charging of electric vehicles -
Part 1: General requirements
1 Scope
This document specifies the technical requirements for voltage and current ratings,
appearance, structure, environmental adaptability, electrical performance, and
mechanical performance of connection set for conductive charging of electric vehicles.
It describes the test conditions, test methods, inspection items and other inspection
requirements for connection set for conductive charging of electric vehicles.
The document is applicable to AC charging connection set with a frequency of 50 Hz,
a rated voltage not exceeding AC 690 V, and a rated current not exceeding 250 A for
conductive charging of electric vehicles, as well as DC charging connection set with
rated voltage not exceeding DC 1500 V and rated current (duration maximum current)
not exceeding 1000 A.
This document does not apply to the charging connection set that uses standard plugs
and sockets that comply with GB/T 1002 and GB/T 2099.1 for the plug and socket-
outlet.
When the charging connection set specified in this document is used for electric
vehicles in special places such as water conservancy, mining, construction sites,
agricultural operations, or other fields other than road vehicles, additional requirements
may be required in terms of the installation location, operating conditions, usage
methods, environmental adaptability, etc. of the charging connection set.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 261, Determination of flash point -- Pensky-Martens closed cup method
GB/T 1002, Single phase plugs and socket-outlets for household and similar
purposes -- Types, basic parameters and dimensions
GB/T 2099.1, Plugs and socket-outlets for household and similar purposes -- Part
1: General requirements
3.10 in-cable device
An equipment or set that performs a specific electrical function on a cable assembly.
NOTE: In-cable device includes in-cable function boxes that implement control and protection
functions on the cable assembly, and in-cable chargers that convert AC power from the external
power supply into DC power required by the power battery.
3.11 locking device
A device that keeps the charging coupler in the normal connection position and prevents
the charging coupler from being accidentally disconnected. It is equipped to prevent the
phase line, neutral line and DC contacts of the charging coupler from being charged
before normal plugging. It prevents the phase line, neutral line and DC contacts of the
charging coupler from being disconnected when powered, or prevent the phase line,
neutral line and DC contacts of the charging coupler from being powered before being
pulled out.
NOTE: It is divided into mechanical locking device with manual locking/unlocking and electronic
locking device with electronically controlled locking/unlocking.
3.12 rated current
In the absence of forced air convection and other specified conditions, the manufacturer
specifies the maximum operating current for sustainable operation of the naturally
cooled charging connection set.
NOTE: For charging connection sets with positive cooling function, it refers to the maximum
operating current that can continue to operate after the positive cooling function is turned off.
3.13 duration maximum current
Under specific positive cooling conditions, the manufacturer specifies the maximum
operating current for sustainable operation of the positively cooled charging connection
set.
3.14 short time maximum current
Within a specified period of time, the operating current can be greater than the rated
current (or duration maximum current) of the charging connection set without causing
deterioration and damage to the charging connection set.
3.15 positive cooling
A method of using gas, liquid or solid cooling medium to forcefully dissipate heat from
the charging connection set through heat conduction, thereby reducing the temperature.
NOTE: Common positive cooling methods are divided into gas medium cooling and liquid medium
6 Requirements
6.1 General
6.1.1 Appropriate measures shall be taken for the charging connection set in material
selection, design, production, packaging, storage, transportation, installation, etc., so
that the product has normal functions and meets the expected use needs.
6.1.2 Charging connection sets shall have appropriate product performance. When used
in normal operation, the product shall work normally during its normal life span. When
misused, the product shall not cause leakage, short circuit, fire or other safety accidents.
It shall not cause harm or adverse effects to surrounding people, vehicles, equipme...